Home / 1,306,832.51-1,960,642.43-408,237.95

Finding the Fourth Proportional to 1,306,832.51, 1,960,642.43 and 408,237.95

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Solution

The fourth proportional to 1,306,832.51, 1,960,642.43 and 408,237.95 is: 612,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,832.51 : 1,960,642.43 = 408,237.95 : x
  2. Step 2: Convert to fraction form
    1,306,832.51/1,960,642.43 = 408,237.95/x
  3. Step 3: Cross multiply
    1,306,832.51x = 1,960,642.43 × 408,237.95
  4. Step 4: Simplify right side
    1,306,832.51x = 800,408,646,306.22
  5. Step 5: Solve for x
    x = 800,408,646,306.22/1,306,832.51
  6. Step 6: Final answer
    x = 612,479.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.